Garmin Fenix 8 Pro 51mm MicroLED

Name: Garmin Fenix 8 Pro 51mm MicroLED
Brand: Garmin

Garmin Fenix 8 Pro 51mm MicroLED is a GPS sports watch released in September 2025. Key specs: case size 51 mm, screen size 1.4″, battery life (smartwatch mode) 10 days, GPS battery life 44 h.

7.3Score

Display9.8

Battery life4.9

Health tracking8.3

Sports & outdoor8.2

Smart features9.3

Build & durability6.4

price range$1,400–1,800

Full specifications

Released: September 2025
Type: GPS sports watch
Brand: Garmin
Popularity: #305 of 796
Model numbers: fēnix 8 – 43 mm, AMOLEDfēnix E – 47 mm, AMOLEDfēnix 8 Pro – 47 mm, AMOLEDfēnix 8 Pro – 51 mm, AMOLEDfēnix 8 – 51 mm, Solarfēnix 8 – 51 mm, AMOLED

51 mmCase size

1.4″Screen size

10 daysBattery life (smartwatch mode)

44 hGPS battery life

10 ATMWater resistance

93 gWeight

YesNFC payments

Spec guide

How it ranks among GPS sports watches of 2025

Spec guide

Screen size · 1.4″Bottom 34%Battery life (smartwatch mode) · 10 daysBottom 45%GPS battery life · 44 hTop 40%Water resistance · 10 ATMTop 17%Weight · 93 gBottom 5%

Compared with GPS sports watches released in 2025. Bars show the share of models it beats.

compared with other GPS sports watches

Why is Fenix 8 Pro 51mm MicroLED a good choice?

Sport profiles: 99better than 76% of GPS sports watches

Weak points

Weight: 93 gworse than 87% of GPS sports watches

Battery life (smartwatch mode): 10 daysworse than 77% of GPS sports watches

In rankings

#3Best smartwatch displays #3Brightest watch screens #27Best smart features

Specifications

Full specifications

Design & durability

Case size: 51 mm
Weight: 93 g
Thickness: 17.5 mm
Height: 51 mm
Width: 51 mm
Case material: Titanium
Sapphire crystal: Yes
Lens / cover glass: Sapphire crystal
Strap material: silicone
Water resistance: 10 ATM
Water rating (maker): 10 ATM
Rated dive depth: 40 m

Display

Screen size: 1.4″
Display technology: MicroLED
Panel: MicroLED
Touchscreen: Yes
Resolution (width): 454 px
Resolution (height): 454 px
Pixel density: 324 ppi
Peak brightness: 4,500 nits

Battery

Battery life (smartwatch mode): 10 days
Battery life with always-on display: 4 days
Battery saver mode: 14 days
GPS battery life: 44 h
GPS battery life (dual-band): 34 h
Battery type: Lithium ion
Wireless charging: No
Charging: Garmin proprietary plug charger

Health sensors

Optical heart rate: Yes
Blood oxygen (SpO2): Yes
ECG: Yes
Skin temperature: Yes
Temperature sensor: Yes
HRV tracking: Yes
Sleep tracking: Yes
Sensors: GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor, Depth sensor